Home / 36,071.39-49,777.09-20,963.34

Finding the Fourth Proportional to 36,071.39, 49,777.09 and 20,963.34

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Solution

The fourth proportional to 36,071.39, 49,777.09 and 20,963.34 is: 28,928.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,071.39 : 49,777.09 = 20,963.34 : x
  2. Step 2: Convert to fraction form
    36,071.39/49,777.09 = 20,963.34/x
  3. Step 3: Cross multiply
    36,071.39x = 49,777.09 × 20,963.34
  4. Step 4: Simplify right side
    36,071.39x = 1,043,494,009.47
  5. Step 5: Solve for x
    x = 1,043,494,009.47/36,071.39
  6. Step 6: Final answer
    x = 28,928.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.